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Finding the Fourth Proportional to 320,040.93, 441,655.11 and 176,800.98

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Solution

The fourth proportional to 320,040.93, 441,655.11 and 176,800.98 is: 243,984.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,040.93 : 441,655.11 = 176,800.98 : x
  2. Step 2: Convert to fraction form
    320,040.93/441,655.11 = 176,800.98/x
  3. Step 3: Cross multiply
    320,040.93x = 441,655.11 × 176,800.98
  4. Step 4: Simplify right side
    320,040.93x = 78,085,056,270.01
  5. Step 5: Solve for x
    x = 78,085,056,270.01/320,040.93
  6. Step 6: Final answer
    x = 243,984.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.